CMSSW_9_4_21_patch1

Changes since CMSSW_9_4_21:

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1. 36458 from @makortel: [9_4_X] Protect storage accounting UDP messages from NaN, and Use StatisticsSenderService for all framework files core created: 2021-12-10 21:19:43 merged: 2021-12-14 00:52:49

2. 36354 from @cericeci: Backport of “Fix for FastSim decays of exotic-descendent SM particles decaying outside pipe” to 9_4_X fastsim operations created: 2021-12-03 17:28:40 merged: 2022-01-18 21:33:53

3. 35651 from @cms-tsg-storm: Fix case-sensitive ConfDb connection parameters - 94X hlt created: 2021-10-13 11:55:28 merged: 2021-10-13 14:57:44

4. 34680 from @alja: Fireworks 9_4_X: Fix bug in scaling after projected view destruction visualization created: 2021-07-28 20:18:37 merged: 2021-08-01 16:49:19

5. 34359 from @justinasr: [Backport to 9_4_X] Allow to suppress ExternalLHEProducer exception if not all events were processed generators created: 2021-07-06 15:49:09 merged: 2021-07-08 09:41:05

CMSDIST Changes between Tags REL/CMSSW_9_4_21/slc6_amd64_gcc630 and REL/CMSSW_9_4_21_patch1/slc6_amd64_gcc630:

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